Investments in and Advances to Joint Ventures - Condensed Combined Financial Information of Company's Unconsolidated Joint Venture Investments (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Condensed Combined Balance Sheets
Land	$ 1,051,198	$ 1,011,401
Buildings	3,718,886	3,624,164
Fixtures and tenant improvements	563,879	556,056
Total real estate rental property	5,333,963	5,191,621
Less: Accumulated depreciation	(1,611,259)	(1,571,569)
Real estate rental property, net	3,722,704	3,620,052
Construction in progress and land	56,629	47,260
Total real estate assets, net	3,779,333	3,667,312
Other assets, net	143,407	130,479
Total assets	4,051,481	3,967,051
Mortgage debt	91,168	125,799
Total liabilities	1,995,363	1,924,399
Accumulated equity	2,056,118	2,042,652	$ 2,171,604	$ 1,944,823
Total liabilities and equity	4,051,481	3,967,051
Company's share of accumulated equity	52,192	59,286
Basis differentials	2,239	2,946
Deferred development fees, net of portion related to the Company's interest	(853)	(937)
Amounts payable to the Company	3,469	3,331
Investments in and Advances to Joint Ventures, net	57,047	64,626
Unconsolidated Joint Ventures [Member]
Condensed Combined Balance Sheets
Land	367,548	378,442
Buildings	1,063,245	1,092,245
Fixtures and tenant improvements	121,851	123,313
Total real estate rental property	1,552,644	1,594,000
Less: Accumulated depreciation	(436,140)	(441,215)
Real estate rental property, net	1,116,504	1,152,785
Construction in progress and land	990	5,778
Total real estate assets, net	1,117,494	1,158,563
Cash and restricted cash	40,603	37,535
Receivables, net	15,005	16,854
Other assets, net	50,144	49,029
Total assets	1,223,246	1,261,981
Mortgage debt	873,117	873,336
Notes and accrued interest payable to the Company	3,469	3,331
Other liabilities	49,744	51,473
Total liabilities	926,330	928,140
Accumulated equity	296,916	333,841
Total liabilities and equity	$ 1,223,246	$ 1,261,981